Online Calculators > Physics Calculators > Hooke's Law Calculator

Hooke's Law Calculator

Hooke's law calculator calculates the force needed for the spring to extend or compressed.

Spring Constant Calculator

Initial Spring Length
Final Spring Length
Spring Displacement
Spring Constant

How Hooke's Law Work?

Hooke's law is a theory of elasticity, when a force is applied to a spring, it makes the spring compressed or extend to a certain length, therefore it's also called the spring constant. Spring displacement is the difference between the initial spring and final spring length.

For example, if the final spring length is 1 meter, and the initial spring length is 0.2 meters, the spring displacement is 0.8 meters.

Hooke's Law Formula

Hooke's law formula is F=-kx
while k is the spring constant, and x is the spring displacement. The result is negative because the force needed for the spring to go in the opposite direction to its original length.

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